Fish oil: The natural triglyceride form is better

2. February 2011 William Davis (43)

If you have a choice, the triglyceride form of fish oil is preferable. The triglyceride form, i.e., 3 omega-3 fatty acids on a glycerol "backbone," is the form found in the body of fish that protects them from cold temperatures (i.e., they remain liquid at low ambient temperatures).

Most fish oils on the market are the ethyl ester form. This means that the omega-3 fatty acids have been removed from the glycerol backbone; the fatty acids are then reacted with ethanol to form the ethyl ester.

If the form is not specified on your fish oil bottle, it is likely ethyl ester, since the triglyceride form is more costly to process and most manufacturers therefore boast about it. Also, prescription Lovaza--nearly 20 times more costly than the most expensive fish oil triglyceride liquid on a milligram for milligram basis--is the ethyl ester form. That's not even factoring in reduced absorption of ethyl esters compared to triglyceride forms. Remember: FDA approval is not necessarily a stamp of superiority. It just means somebody had the money and ambition to pursue FDA approval. Period.

Taking any kind of fish oil, provided it is not overly oxidized (and thereby yields a smelly fish odor), is better than taking none at all. All fish oil will reduce triglycerides, accelerate clearance of postprandial (after-eating) lipoprotein byproducts of a meal (via activation of lipoprotein lipase), enhance endothelial responsiveness, reduce small LDL particles, and provide a physical stabilizing effect on atherosclerotic plaque.

But if you desire enhanced absorption and potentially lower dose to achieve equivalent RBC omega-3 levels, then triglyceride forms are better.

Here are cut-and-pasted abstracts of two of the studies comparing forms of fish oil.

Bioavailability of marine n-3 fatty acid formulations.

Dyerberg J, Madsen P, Moller JM et al.

Department of Human Nutrition, Faculty of Life Sciences, University of Copenhagen, Copenhagen, Denmark.

Abstract

The use of marine n-3 polyunsaturated fatty acids (n-3 PUFA) as supplements has prompted the development of concentrated formulations to overcome compliance problems. The present study compares three concentrated preparations - ethyl esters, free fatty acids and re-esterified triglycerides - with placebo oil in a double-blinded design, and with fish body oil and cod liver oil in single-blinded arms. Seventy-two volunteers were given approximately 3.3g of eicosapentaenoic acid (EPA) plus docosahexaenoic acid (DHA) daily for 2 weeks. Increases in absolute amounts of EPA and DHA in fasting serum triglycerides, cholesterol esters and phospholipids were examined. Bioavailability of EPA+DHA from re-esterified triglycerides was superior (124%) compared with natural fish oil, whereas the bioavailability from ethyl esters was inferior (73%). Free fatty acid bioavailability (91%) did not differ significantly from natural triglycerides. The stereochemistry of fatty acid in acylglycerols did not influence the bioavailability of EPA and DHA.

(Full text of the Dyerberg et al study made available at the Nordic Naturals website here.)

Eur J Clin Nutr 2010 Nov 10.

Enhanced increase of omega-3 index in response to long-term n-3 fatty acid supplementation from triacylglycerides versus ethyl esters.

Neubronner J, Schuchardt JP, Kressel G et al.

Institute of Food Science and Human Nutrition, Leibniz Universität Hannover, Am Kleinen Felde 30, Hannover, Germany.

Abstract

There is a debate currently about whether different chemical forms of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are absorbed in an identical way. The objective of this study was to investigate the response of the omega-3 index, the percentage of EPA+DHA in red blood cell membranes, to supplementation with two different omega-3 fatty acid (n-3 FA) formulations in humans. The study was conducted as a double-blinded placebo-controlled trial. A total of 150 volunteers was randomly assigned to one of the three groups: (1) fish oil concentrate with EPA+DHA (1.01?g+0.67?g) given as reesterified triacylglycerides (rTAG group); (2) corn oil (placebo group) or (3) fish oil concentrate with EPA+DHA (1.01?g+0.67?g) given as ethyl ester (EE group). Volunteers consumed four gelatine-coated soft capsules daily over a period of six months. The omega-3 index was determined at baseline (t(0)) after three months (t(3)) and at the end of the intervention period (t(6)). The omega-3 index increased significantly in both groups treated with n-3 FAs from baseline to t(3) and t(6) (P < 0.001). The omega-3 index increased to a greater extent in the rTAG group than in the EE group (t(3): 186 versus 161% (P < 0.001); t(6): 197 versus 171% (P < 0.01)). Conclusion: A six-month supplementation of identical doses of EPA+DHA led to a faster and higher increase in the omega-3 index when consumed as triacylglycerides than when consumed as ethyl esters.

Diarrhea, asthma, arthritis--What is your wheat re-exposure syndrome?

30. January 2011 William Davis (52)

Have you experienced a wheat re-exposure syndrome?

As I recently discussed, gastrointestinal distress--cramps, gas, diarrhea--is the most common "syndrome" that results from re-exposure to wheat after a period of elimination.

Others experience asthma, sinus congestion and infections, mental "fogginess" and difficulty concentrating, or joint pains and/or overt swelling.

Still others say there is no such thing.

Let's take a poll and find out what readers say.

Marathoners, triathletes, and heart disease

30. January 2011 William Davis (0)

Curious thing: People with lipoprotein(a) gravitate towards elite levels of exercise.

I tell my lipoprotein(a) patients that, if they want to see a lot of other people with lipoprotein(a), go to a marathon or triathlon.

This effect applies more to males than to females, just as the fascination with numbers seems to be confined to men, too. That's why I've posted in past about the "prototypical" lipoprotein(a) male.

I believe this is a big part, perhaps the only, reason why there seems to be a modest increased risk for cardiovascular events despite high exercise levels in marathoners. It has nothing to do with the exercise itself; it has to do with the kind of people who choose to exercise at this level.

The best fish oil

29. January 2011 William Davis (30)

The best fish oils available are the liquid forms. Contrary to many people's expectations, the best liquid fish oils have no fishy odor or taste.

I use a lot of liquid fish oils because of the higher doses we use in the Track Your Plaque program, as well as our strategy of high-dose fish oil to reduce lipoprotein(a). Women, in particular, don't like taking the oodles of capsules required to achieve the higher doses we need. So the ladies really like the liquid forms.

The best liquid fish oils are non-fishy, highly-concentrated, and come in the better absorbed triglyceride form. Many capsules, including prescription Lovaza, are the less well-absorbed ethyl ester form. Several studies, such as this one, have now demonstrated that the naturally-occurring triglyceride form yields higher blood (RBC) levels of omega-3 fatty acids, likely due to more efficient digestion via pancreatic lipase.

While there are many good forms of fish oil and only a few bad, these are the best of the best:

Pharmax
The Pharmax Finest Pure Fish Oil with Essential Oil of Orange contains 1800 mg EPA + DHA per teaspoon. This is the preparation I've been taking.

Nordic Naturals
The Nordic Naturals lemon-flavored ProOmega Liquid contains 2752 mg EPA + DHA per teaspoon, the most concentrated of any fish oil I've seen.

(This list is not exclusive. These are just two brands I've used extensively with good results.)

These highly-concentrated, triglyceride forms are more expensive, due to their concentrated nature. 1 teaspoon Pharmax fish oil, for example, provides an equivalent quantity of omega-3 fatty acids as 6 standard fish oil capsules on a milligram for milligram basis, but more like 8 to 9 capsules when absorption efficiency is factored in. The triglyceride form is also more laborious to manufacture. On our Track Your Plaque Marketplace, our Pharmax 500 ml runs $58.95 list. (500 ml provides 100 teaspoons or 600-capsule equivalent.)

Note that, minus the protection of the capsule, liquid fish oils will oxidize if not refrigerated. So be sure to keep your liquid fish oil in the fridge.

What do Salmonella, E coli, and bread have in common?

28. January 2011 William Davis (22)

Say you happen to eat some chicken fingers contaminated with bacteria because the 19-year old kid behind the counter failed to wash his hands after using the toilet, or because the kitchen is poorly managed with unwashed counters and cutting boards, or because the food is undercooked. You get a bout of diarrhea and cramps, along with a desire to banish chicken from your life.

Here's yet another odd wheat phenomenon: About 30% of people who eliminate wheat from their lives experience an acute food poisoning-like effect on re-exposure. You've been wheat-free for, say, 6 months. You've lost 25 lbs from your wheat belly, you've regained energy, joints feel better. You go to an office party where they're serving some really yummy looking bruschetta. Surely a couple won't hurt! Within a hour, you're getting that awful rumbling and unease that precede the explosion.

The majority of people who experience a wheat re-exposure syndrome will have diarrhea and cramps that can last from hours to days, similar to food poisoning. (Why? Why would a common food trigger a food poisoning-like effect? It happens too fast to attribute to inflammation.) Others experience asthma attacks, joint pains that last 48 hours to a week, mental fogginess, emotional distress, even rage (in males).

Wheat re-exposure in the susceptible provides a tidy demonstration of the effects of this peculiar product of genetic research. So if you are wheat-free but entertain an occasional indulgence, don't be surprised if you have to make a beeline to the toilet.

The world of intermediate carbohydrates

28. January 2011 William Davis (0)

There are clear-cut bad carbohydrates: wheat, oats, cornstarch, and sucrose. (Fructose, too, but in a class of bad all its own.)

Wheat: The worst. Not only does wheat flour increase blood sugar higher than nearly all other carbohydrates, it invites celiac disease, neurologic impairment, mental and emotional effects, addictive (i.e., exorphin) effects, asthma, irritable bowel syndrome, acid reflux, sleepiness, sleep disruption, arthritis . . . just to name a few.

Oats: Yeah, yeah, I know: "Lowers cholesterol." But nobody told you that oats, including slow-cooked oatmeal, causes blood sugar to skyrocket.

Cornstarch: Like wheat, cornstarch flagrantly increases blood sugar.It also stimulates appetite. That's why food manufacturers put it in everything from soups to frozen dinners.

Sucrose: Not only does sucrose create a desire for more food, it is also 50% fructose, the peculiar sugar that makes us fat, increases small LDL particles, increases triglycerides, slows the metabolism of other foods, encourages diabetes, and causes more glycation than any other sugar.

But there are a large world of "other" natural carbohydrates that don't fall into the really bad category. This includes starchy beans like black, kidney, and pinto; rices such as white, brown, and wild; potatoes, including white, red, sweet, and yams; and fruits. It includes "alternative" grains like quinoa, spelt, triticale, amaranth, and barley.

For lack of a better term, I call these "intermediate" carbohydrates. They are not as bad as wheat, etc., but nor are they good. They will still increase blood glucose, small LDL, triglycerides, etc., just not as much as the worst carbohydrates.

The difference is relative. Say we compare the one-hour blood glucose effects of 1 cup of wheat flour product vs. one cup of quinoa. Typical blood sugar after wheat product: 180 mg/dl. Typical blood sugar after quinoa: 160 mg/dl--better but still pretty bad.

Some people are so carb-sensitive that they should avoid even these so-called intermediate carbohydrates. Others can have small indulgences, e.g., 1/2 cup, and not generate high blood sugars.

Heroin, Oxycontin, and a whole wheat bagel

25. January 2011 William Davis (27)

For a substantial proportion of people who remove wheat from their diet, there is a distinct and unpleasant withdrawal syndrome. Here are the comments of Heart Scan Blog reader, Scott, from Texas:

Hello Dr. Davis,

I've been experimenting with diet, converging upon a Paleo type diet, but I keep running into problems. I have isolated the problem to cutting out wheat.

Sugar, rice, fruit, corn, potatoes, etc. are relatively ok to add or remove from the diet, but cutting out wheat in particular brings on a moderate headache with heavy fatigue all day long. This resembles the wheat withdrawal symptoms I found on your blog. As I write this, I'm on day 8 of wheat-free. I consume a fair variety of meat and veggies each day with a moderate amount of white rice for carbs. Perhaps a bowl of corn flakes with milk and half a bar of dark chocolate a day. I've learned from experience over the past 5 months or so that none of these foods affect the withdrawal. It's purely wheat.

My question is, what is the range of times for withdrawal symptoms that you've heard from different people? Has there been anyone who never recovered from the wheat withdrawal symptoms even after many months?

It's very tough to get work done like this, and even though my body and head feel much healthier in general, my sinuses have cleared, don't have to take a big nap after I eat, etc., I don't want to go down a path where this is the way things are going to be forever.

People who have never experienced wheat withdrawal pooh-pooh the effect. But, for about 30% of people, wheat withdrawal is a real, palpable, and sometimes incapacitating experience.

Beyond removing an exceptionally digestible carbohydrate that yields blood sugar rises higher than nearly any other known food (due to the unique amylopectin structure of wheat-derived carbohydrate), wheat withdrawal is a form of opiate withdrawal, somewhat like stopping heroin, Oxycontin, and other opiates. Stop eating whole wheat toast for breakfast, whole grain sandwiches for lunch, or whole grain pasta for dinner, and the flow of exorphins, i.e., exogenous morphine-like compounds, stops. You experience dysphoria (sadness, unhappiness), mental "fog," inability to concentrate, fatigue, and decreased capacity to exercise. It is milder than withdrawal from prescription opiates. Unlike withdrawal from more powerful opiates like heroine, there are, thankfully, no seizures or hallucinations. There are also no deaths.

In my experience, most people get through with wheat withdrawal in about 5 days. An occasional person will struggle for as long as 4 weeks. Thankfully for Scott, I've never seen it last longer than 4 weeks. (Interestingly, people who survive the withdrawal syndrome are often prone to a peculiar re-exposure phenomenon that I will discuss in future, i.e., they get sick upon re-exposure.)

The modern dwarf mutant variant of Triticum aestivum (that our USDA urges us to eat more of) contains greater proportions of gluten proteins compared to wheat pre-1970; glutens are the source of wheat-derived exorphins.

Incidentally, a drug company should be releasing a drug in the next year that will contain naltrexone, an oral opiate blocking drug, for a weight loss indication. They claim it is a blocker of the "mesolimbic reward system." I say it's a blocker of wheat exorphins.

The five most powerful heart disease prevention strategies

24. January 2011 William Davis (39)

You've seen such lists before: 5 steps to prevent heart disease or some such thing. These lists usually say things like "cut your saturated fat," eat a "balanced diet" (whatever the heck that means), exercise, and don't smoke.

I would offer a different list. You already know that smoking is a supremely idiotic habit, so I won't repeat that. Here are the 5 most important strategies I know of that help you prevent heart disease and heart attack:

1) Eliminate wheat from the diet--Provided you don't do something stupid, like allow M&M's, Coca Cola, and corn chips to dominate your diet, elimination of wheat is an enormously effective means to reduce small LDL particles, reduce triglycerides, increase HDL, reduce inflammatory measures like c-reactive protein, lose weight (inflammation-driving visceral fat), reduce blood sugar, and reduce blood pressure. I know of no other single dietary strategy that packs as much punch. This has become even more true over the past 20 years, ever since the dwarf variant of modern wheat has come to dominate.

2) Achieve a desirable 25-hydroxy vitamin D level--Contrary to the inane comments of the Institute of Medicine, vitamin D supplementation increases HDL, reduces small LDL, normalizes insulin and reduces blood sugar, reduces blood pressure, and exerts potent anti-inflammatory effects on c-reactive protein, matrix metalloproteinase, and other inflammmatory mediators. While we also have drugs that mimic some of these effects, vitamin D does so without side-effects.

3) Supplement omega-3 fatty acids from fish oil--Omega-3 fatty acids reduce triglycerides, accelerate postprandial (after-meal) clearance of lipoprotein byproducts like chylomicron remnants, and have a physical stabilizing effect on atherosclerotic plaque.

4) Normalize thyroid function--Start with obtaining sufficient iodine. Iodine is not optional; it is an essential trace mineral to maintain normal thyroid function, protect the thyroid from the hundreds of thyroid disrupters in our environment (e.g., perchlorates from fertilizer residues in produce), as well as other functions such as anti-bacterial effects. Thyroid dysfunction is epidemic; correction of subtle degrees of hypothyroidism reduces LDL, reduces triglycerides, reduces small LDL, facilitates weight loss, reduces blood pressure, normalizes endothelial responses, and reduces oxidized LDL particles.

5) Make exercise fun--Not just exercise for the sake of exercise, but physical activity or exercise for the sake of having a good time. It's the difference between resigning yourself to 30 minutes of torture and boredom on the treadmill versus engaging in an activity you enjoy and look forward to: go dancing, walk with a friend, organize a paintball tournament outdoors, Zumba class, plant a new garden, etc. It's a distinction that spells the difference between finding every excuse not to do it, compared to making time for it because you enjoy it.

Note what is not on the list: cut your fat, eat more "healthy whole grains," take a cholesterol drug, take aspirin. That's the list you'd follow if you feel your hospital needs your $100,000 contribution, otherwise known as coronary bypass surgery.

Topping up your vitamin D tank

22. January 2011 William Davis (17)

Now that my vitamin D replacement experience dates back nearly 5 years, I've been witnessing an unusual phenomenon:

The longer you take vitamin D, the less you need.

Let me explain. You take 10,000 units D3 in gelcap form. 25-hydroxy vitamin D levels, checked every 6 months, have remained consistently between 60 and 70 ng/ml. Three years into your vitamin D experience and 25-hydroxy vitamin D level rises to 98 ng/ml--an apparent need for less vitamin D.

So we cut your intake from 10,000 units per day to 8000 units per day. Another 25-hydroxy vitamin D level 6 months later: 94 ng/ml. We cut dose again to 6000 units, followed by another 25-hydroxy vitamin D level of 66 ng/ml.

This has now happened in approximately 20% of the people who have been taking vitamin D for 3 or more years. I know of no formal analysis of this effect, what I call the "topping up" phenomenon. Reasoned simply, it seems to me that, once your vitamin D "tank" is topped up (i.e., tissue stores have been replenished), it requires less to keep it full.

No one has experienced any adverse consequence of this topping up effect though it has potential for some people to develop toxic levels if 25-hydroxy vitamin D levels are not monitored long-term. In my office, I measure 25-hydroxy vitamin D levels every 6 months.

It means that long-term monitoring of 25-hydroxy vitamin D is crucial to maintain favorable and safe levels.

Thirteen catheterizations later

21. January 2011 William Davis (16)

When I first met her, Janet couldn't stop sobbing. She'd just been through her 10th heart catheterization in two years.

It started with chest pains at age 56, prompting her first heart catheterization that uncovered severe atherosclerotic blockages in all three coronary arteries. Her cardiologist advised a bypass operation.

Six months after the bypass operation, Janet was back with more chest pains, just as bad as before. Another heart catherization showed that two of the three bypass grafts had failed. The third bypass graft contained a severe blockage that required a stent, along with multiple stents in the two now unbypassed arteries.

In the ensuing 18 months, Janet returned for 8 additional catheterizations, each time leaving the hospital with one or more stents.

Janet's doctor was puzzled as to why her disease was progressing so aggressively despite Lipitor and the low-fat diet provided by the hospital dietitian. So he had Janet undergo lipoprotein testing (NMR):

LDL particle number: 3363 nmol/L
Small LDL particle number: 2865 nmol/L
HDL cholesterol: 32 mg/dl
Triglycerides: 344 mg/dl
Fasting blood glucose 118 mg/dl
HbA1c 5.8%

Unfortunately, Janet's doctor didn't understand what these values meant. He pretty much threw his arms up in frustration. That's when I met Janet.

From her lipoprotein panel and other values, it was clear to me that Janet was miserably carbohydrate-sensitive and carbohydrate-indulgent, as demonstrated by the extravagant quantity (2865 nmol/L) and proportion (2865/3363, or 85%) of small LDL, the form of LDL particles created by carbohydrate exposure. Janet struggled with depression over the years and had been using carbohydrate foods as "comfort" foods, often resorting to cookies, pies, cakes, breads, and other wheat-containing foods for emotional solace.

It took a bit of persuasion to convince Janet that it was low-fat, "healthy whole grains," as well as comfort foods, that had led her down this path. I also helped Janet correct her severe vitamin D deficiency, mild thyroid dysfunction, and lack of omega-3 fatty acids.

Since meeting Janet and instituting her new prevention program, she has undergone three additional catheterizations (performed by another cardiologist), all performed for chest pain symptoms that struck during periods of emotional stress. All showed . . . no significant blockage. (Apparently, the repeated "need" for stents triggered a Pavlovian response: chest pain = "need" for yet more stents.)

In short, correction of the causes of coronary atherosclerotic plaque--small LDL, vitamin D deficiency, omega-3 fatty acid deficiency, and thyroid dysfunction--and Janet's disease essentially ground to a halt.

Imagine, instead, that Janet had undergone 1) a heart scan to identify hidden coronary plaque 5-10 years before her first heart procedure, then 2) corrected the causes before they triggered symptoms and posed danger. She might have been spared an extraordinary amount of life crises, hospital procedures, expense (nearly $1 million), and emotional suffering.

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Heart disease reversal is getting easier and easier

28. April 2006 William Davis (0)

I've recently observed that more and more of our patients on the Track Your Plaque program seem to be stopping or reducing their heart scan scores. And they're doing it faster, in less time, and with larger drops in score.

I'm not entirely sure why the sudden surge in success. However, I do wonder if adding therapeutic levels of vitamin D--at least in our generally sun-deprived Wisconsin participants--is responsible. However, we've also gotten a lot smarter on how to correct the parameters that seems to have outsized effects on plaque growth, especially small LDL.

Yesterday alone, we had two people we added to our list of successes. One, an attorney, stopped his score in one year, with no change (compared to the expected increase of 30%). Another, a woman from the northeast, dropped her score 10% in one year. Her story is remarkable for beginning at a score >1000. In general, the higher your starting score, the longer it takes to stop or reduce it.

These are just two examples. It seems to be happening at an accelerating pace.

I can only hope that our surge in success (not 100%--yet!) will continue. But, every week, we're adding more and more people to our list of success stories.

A used car lot on every street corner

28. April 2006 William Davis (0)

Imagine that, every day, a parade of used-car salesmen knock on your front door to sell you a special "deal". Day in, day out they knock, expecting you to hear about their offers openly.

Is there any doubt about their intentions or motives? Of course not. They're just trying to profit from selling you a car.

That's how it is in a medical office nowadays. Drug representatives, 5, 6, or more each and every day, promoting drugs. Except that the profits from drugs are far greater than a used automobile, and there's a third party involved in the transaction: you.

Today, a pushy representative came to my office. My staff and I tried to tell him that I was not interested in speaking to him. But he proved such a nuisance that I finally came out to tell him that I objected to the idea of drug reps just hanging around trying to hawk their wares.

He blurted, "Doctor, do you have patients with angina? Our new drug, ranolazine, is perfect. Forget about nitroglycerin, beta blockers, and all that. Here's the latest study proving it's better." He tried to shove a reprint of the study at me.

Getting to the bottom line, I asked, "What does it cost the patient?"

"Well, the co-pay is between $40 and $60. We're not yet well covered by insurance, so it'll cost patients around $200 a month."

Need I say more? Here's a drug that does little more than help relieve anginal chest pains. It doesn't reverse coronary plaque. It won't avoid heart attack, death, or procedures. It just modestly cuts back on the frequency of chest pain. And all for the cost of a single heart scan--a heart scan that could have prevented the entire cascade of symptoms/procedures/medication/hospitalization etc.

Hospitals, drug companies, medical device manufacturers. They're all businesses that thrive on your doctor's failure to detect and control your coronary plaque. Sometimes, even your doctor is part of this conspiracy to squeeze dollars out of human disease. Don't fall for it.

Heart disease reversal at age 77

28. April 2006 William Davis (0)

I met Agnes 18 months ago after she underwent a heart scan that revealed a scary score of over 1100. Although in her mid-70s, this was still a very high score. (Recall that a score this high carries a risk for heart attack and death of 25% per year.) Poor Agnes was a wreck over this unexpected result. "I can't sleep, I can't stop thinking about it!"

She'd undergone the scan because her 44-year old son had a heart scan score of 2200! Unfortunately, he ended up with a bypass operation for very severe disease.

Despite having been seeing a cardiologist in Boston for the last 8 years for a murmur, we uncovered multiple hidden lipoprotein patterns, many of which she shared with her son. Her most notable abnormalities were a low HDL and small LDL. Nearly 100% of all LDL particles were, in fact, small. This pattern also caused her LDL cholesterol to be underestimated by over 40%.

18 months on the Track Your Plaque program and Agnes came into town to get a repeat scan. Her score was 10.2% lower. She'd learned to live with the idea that she had hidden heart disease missed by her doctor and cardiologist for many years. But knowledge of the substantial reversal she'd achieved in the 18 months on the program gave Agnes tremendous peace of mind.

Agnes left the office with a big smile.

If you need a reason to quit smoking...

26. April 2006 William Davis (0)

If you've read Track Your Plaque, you already know my feelings about smoking and coronary plaque. Smoke, and you will lose the battle for control over coronary plaque growth--it will grow and grow until catastrophe strikes.

Nonetheless, this is not sufficiently motivating for some people.

If you need more motivation to quit smoking, just take a look at your heart scan sometime, accompanied by either one of the doctors or technicians at the scan center you choose. After you've had an opportunity to look at your coronary arteries, take a look at the lungs. The heart is in the middle and the lungs are the two large black areas on either side of the heart. (They're not really black; that's just the way the images are color-coded.)

Smokers will see large cavities in their lungs--literally, half-inch to one-inch wide holes that contain only air. Many of them. These represent remnants of lung tissue, digested away and now useless from the damage incurred through smoking.

Non-smokers should see uniform lung tissue without such cavities.

What surprised me early on in my heart scan experience was how little smoking exposure was required to generate these cavities. A 40-year old, for instance, who smoked a half-pack per day for 10 years would have them. Heavier smokers, of course, showed far more extensive cavities.

Officially, these cavities are called "emphysematous blebs", meaning the scars of the lung disease, emphysema.

When I've pointed out these cavities or emphysematous blebs to patients, 9 out of 10 times they immediately become non-smokers. Commonly, they'd exclaim, "I had no idea I was really damaging my lungs!" Most admitted that they were awaiting some bona fide evidence that they were truly doing some harm to their bodies. Well, that's it.

Give it a try if you're struggling.

Vitamin D for winter blues?

25. April 2006 William Davis (0)

Winter is now over and spring is in the air, even in Wisconsin.

In this part of the country, winter blues are commonplace. Sometimes called Seasonal Affective Disorder (SAD) when it's severe enough to cause functional impairment, feelings of fatigue, lack of motivation, or the blues are very frequent when days are short and sunlight is in short supply.

I've been seeing many people in the last several weeks who were advised to add vitamin D to their program last fall. Christopher's experience was typical.

"You know, since you told me to take vitamin D, I didn't get sad and tired like I do every winter. This is the first time I can remember that happening. I didn't sleep as much and I didn't get that feeling of always being overwhelmed."

I've felt it myself this past winter. I think there's some real truth to this effect.

Dr. Bruce Hollis has published a small experience in treating people with SAD with vitamin D and showed measurable improvement in depression. (One recent study in older women failed to show any effect, however, when small doses of vitamin D of 800 units were administered. In my experience, this dose doesn't even come close to normalizing blood vitamin D levels.)

The best source for in-depth information on vitamin D is Dr. John Cannell's website, www.vitaminDcouncil.com. If you've read Dr. Cannell's discussion on the Track Your Plaque website, you know that he is an articulate spokesman for the benefits of vitamin D replacement. He also persuasively argues that vitamin D deficiency is rampant in northern climates and in people who don't get frequent sun exposure. Interestingly, we now have two studies of populations in Florida and one in Hawaii, both of which showed substantial percentages of people even in these tropical climates to be deficient in vitamin D (around 50% in Hawaii and 30% in Florida).

The dose we've used with much success is 2000 units per day in females, 3000 units per day in males. This yields normal blood levels of around 50 ng/dl in around 80-90% of people. Occasional people will require more, some less. The best way to do it is to check a baseline blood level and a level on therapy to determine the adequacy of your dose.

Dr. Cannell will tell you that it's very important to have your doctor check the right test: 25-OH-vitamin D3, not 1,25-diOH-vitamin D3. These are two very different tests of two different compounds.

In the Track Your Plaque program, we use vitamin D to reduce pre-diabetic tendencies, reduce blood pressure (vitamin D is an inhibitor of the pressure-raising hormone renin), shut down inflammation, and gain better control over coronary plaque (mechanism uncertain). In the process, you will sharply reduce risk of osteoporosis, colon and prostate cancer.

And maybe you'll be brighter when the winter blues come around again.

$4 per gallon gas is good for your health!

24. April 2006 William Davis (0)

Gasoline is now approaching $4 per gallon in some parts of the U.S. But there's a silver lining in this dark cloud. In fact, I see this as a positive for your health.

How can higher gas prices possbily be good for health?

Imagine this trend continues: Fuel prices climb higher and higher. Driving your car will become increasingly more costly. What will be the fall-out?

Well, there will be a number of implications. But among the developments will be a broad impetus towards rejecting fuel-based sources of transportation. This may come as a shock to you, but humans legs were meant for walking!

Remember way back when, Mom would say "We need some milk"? In 1953, you wouldn't get in your car and zip to and from the supermarket. Instead, you would walk a quarter-mile, half-mile or more to the store. And you would carry your bags back. You might walk a mile or two to school and back. In 2006, this seems incomprehensible.

Higher fuel prices will prompt a gradual return to 1953--As transportation costs climb, your town may try and make it easier to walk as an alternative means of getting places.
Imagine that it was easy to walk three blocks to the grocery store, produce stand, work or school, walk along pleasant paths on the weekend, stroll to the home of friends. Drive or walk? Leave the car in the garage and save you and your family hundreds of dollars a month in gas bills.

In a few years, given the current fuel cost trends, there won't be a choice. But it will be in your favor for health.

Another Ornish casualty

23. April 2006 William Davis (0)

Barry's lipoproteins were nearly all corrected to perfection: LDL 64 mg, HDL 57 mg, triglycerides 45 mg. He was approaching the Track Your Plaque goal of 60/60/60, the levels we find tip the scales heavily in your favor for achieving plaque reversal.

But one problem still prominently persisted: small LDL. Of Barry's 64 mg of total LSL, 90% of his LDL were small.

Barry was already on niacin (Slo-Niacin; Upsher Smith)1000 mg per day and fish oil, 4000 mg per day, both of which contribute to correction of this pattern. He had added occasional raw almonds and oat bran to his daily habits, both of which also help suppress small LDL. "I thought you told me that small LDL should go away if I did all this!" he lamented in frustration.

We probed Barry's diet choices more closely. "I eat really healthy foods, just like an Ornish program." Uh oh.

"What do you mean?" I asked.

"For breakfast, I have two slices of whole wheat toast--no butter or margarine, of course! I'll have Shredded Wheat with skim milk. That's it. My typical lunch is low-fat turkey--no mayonnaise!--on whole wheat. I'll add some low-fat whole wheat crackers or pretzels. That's pretty much my habit."

"How about dinner?"

"Dinner varies a lot. I'll usually have a low-fat meat like chicken or turkey, never beef, a vegetable, and a potato. I love rolls but I try to make them whole wheat. I don't use gravy. I love ice cream, so I've been having low-fat frozen yogurt instead. I guess that's about it."

Barry had indeed been counseled on how we approach nutrition. We, of course, do not endorse the low-fat approach of the Ornish program. Low saturated and hydrogenated fat, yes, but not the super-strict low-fat, "all fat is bad" approach of Dr. Dean Ornish.

Barry's diet is typical of someone on a low-fat restriction. When I asked him why he was eating this way, he admitted that he'd seen Dr. Ornish on a TV program in which he persuasively proclaimed that he reversed heart disease in his patients over the past nearly 20 years using this low-fat approach.

That explained it. Barry's nearly pure carbohydrate diet was triggering high blood sugar responses after meals, causing his insulin to skyrocket and magnifying the small LDL pattern.

I advised Barry to dramatically reduce his carbohydates like breads, pretzels, low-fat yogurt, crackers, etc. Instead, he could increase his lean proteins like eggs, egg whites, Egg Beaters, raw nuts and seeds, low-fat (yes, low-fat!) dairy products like yogurt and cottage cheese (both high protein), and healthy oils.

I've seen this happen with many people over the years: A severe low-fat restriction becomes a high-carbohydate diet. It's not uncommon for many people to have more than 70% of calories from carbohydrates on these programs.

The low-fat approach worked in the era of high-fat diets in the 1980s. In 2006, where convenience foods made with carbohydrates, especially wheat, predominate and pack 80% of supermarket shelves, low-fat is now a distorted nutritional mistake that leads to problems like Barry's uncontrolled small LDL, and often pre-diabetic or overt diabetes.

Should you take Plavix?

22. April 2006 William Davis (2)

A question I get fairly frequently nowadays is, "Should I take Plavix?"

For the few of you who've managed to miss the mass advertising campaign for this drug on TV, USA Today, etc., Plavix is a platelet-blocking drug, known chemically as clopidogrel, that "thins" the blood and helps prevent blood clot formation in coronary arteries and carotid arteries, thus potentially reducing heart attack and stroke risk.

What if you have a heart scan score of, say, 450--should you take Plavix?

In general, no. First of all, aspirin and Plavix (generally taken together, since the effect of Plavix is incremental to that of aspirin) only block blood clot formation. They have no effect whatsoever on the rate of plaque growth. Aspirin and Plavix will neither slow it or increase it.

What they do is when a plaque ruptures like a little volcano and exposes its internal contents (inflammatory cells, fat, etc.--like a raw wound), a blood clot forms on top of the ruptured surface. If the clot is big enough, it can occlude the vessel and causes heart attack. Or, if it's a carotid artery, debris from the clot can break off and find its way headward to the artery controlling your speech or memory center. Aspirin and Plavix simply help inhibit clot formation once a plaque ruptures. That's it.

Interestingly, if you view any of Sanofi Aventis' commercials for Plavix, you'd think they came up with a cure for heart disease. It ain't true.

When is Plavix helpful? It's clearly an advantage after someone receives a coronary stent, drug-coated or uncoated;, after coronary bypass, particularly if certain metal punch devices are used to create the grafts in the aorta; and during and after heart attack. These are all situations in which blood clot formation is a forceful process. Blocking it helps.

In general, in asymptomatic people with positive heart scan scores at any level, we do not recommend taking Plavix. The Plavix people are extremely aggressive pushing their drug (hang around any medical office and see!) and, I believe, have gone overboard in promoting its benefits. Rarely, in someone with a very high heart scan score, say 2000 or more, we'll use Plavix for a period of a few months until lipids/lipoproteins and other risk measures are addressed, just as an added safety measure. But, in general, the great majority of people with some heart scan score or another do not receive it and I don't believe that they should.

As always, look beyond the marketing. The purpose of marketing is to increase profits, not to educate.

Dr. Ornish goofed

21. April 2006 William Davis (1)

"I don't think I need the Track Your Plaque program. I've been doing the Ornish program, so I think that my plaque has already regressed."

So proclaimed Bruce, a recent patient I saw in consultation. Having suffered a heart attack three years earlier, he was thoroughly convinced that he was now cured following the Ornish program.

Indeed, back in the 1980s, many of us existed on greasy, high-fat diets of cheeseburgers, French fries, fried chicken, plenty of butter or margarine, mayonnaise, and the like.

Along came Dr. Dean Ornish, who wrote a book called "Dr. Dean Ornish's Program for Reversing Heart Disease: The Only System Scientifically Proven to Reverse Heart Disease Without Drugs or Surgery". This book struck a chord during this era and has been a hot-seller ever since it was published.

Does it work? In my experience, no, it does not.

Dr. Ornish claimed that sharply curtailing fat intake reverses heart disease. Closer to the truth is that, in people who start with high fat intakes, a low-fat restriction is indeed an improvement. This will lead to a modest improvement in blood flow in the coronary arteries due to a phenomenon called "endothelial dysfunction." This means that arteries will dilate modestly when specific changes are made. Thus, you will see minimal improvements in the measures he used (stress testing with nuclear imaging.)

What it does not mean is that plaque has regressed, certainly not "reversed".

In fact, our experience (over 10 years ago, when we first used the Ornish approach) was that the majaority of people did worse on this low-fat program: HDL dropped, triglycerides increased, blood sugar increased, inflammatory measures like C-reactive protein increased. Some people even magnified diabetic or pre-diabetic patterns.

It's almost certain that Bruce has not reversed his coronary plaque. In fact, I would bet that his plaque has grown substantially. Bruce started three years earlier from a diet high in unhealthy fats. If the expected rate of coronary plaque growth is 30% per year, perhaps he slowed it--to 20% or so. Since he didn't have a heart scan score at the time of his heart attack, we'll never know if he truly did reduce the quantity of coronary plaque he had.

But when I met him on his Ornish program, Bruce showed disturbing patterns that included an HDL cholesterol of 38 mg, 70% of all LDL particles were small, triglycerides measured 209 mg, and C-reactive protein was high at 2.8 mg/l. In other words, Bruce's plaque causes were far from corrected. Perhaps they were worse.

The Ornish program, despite it's ambitious claims, has outlived its usefulness. In 2006, it is an antiquated relic of a time past when lifestyle habits and technology were different.

Warning: This product may contain wheat!

20. April 2006 William Davis (0)

Jerry experienced a peculiar sensation in his chest one evening while watching TV with his wife and kids. He squirmed in his chair and experienced a little breathelessness. But he kept it to himself and didn't say anything to his wife.

Fortunately, the feeling passed. But it concerned Jerry enough that he called a local heart scan center and scheduled a CT heart scan.* Minutes later, Jerry had a heart scan score of 112. At 46 years old, this placed him in the 90th percentile compared to other men in his age group.

Jerry came to my office for consultation. Among the first steps we took was to perform lipoprotein testing. Jerry showed striking abnormalities that included an HDL cholesterol of 38 mg, triglycerides of 210 mg, an unimpressive LDL of 133 mg but comprised of 99% small LDL, and excessive IDL (meaning that he was unable to clear dietary fats after eating).

At 5 feet 10 inches, Jerry weighed 190 lbs. He showed a slight excess bulge at the tummy, but hardly obese.

Jerry's history was remarkable, however, for the amount of carbohydrates he ate. "I'm addicted to bread. I love it! If I smell a loaf of fresh baked bread, I sometimes eat the whole loaf!"

Jerry also admitted to over-indulging in bagels (whole wheat), pretzels, low-fat snack chips, Raisin Bran cereal, Cheerios, and noodles. In fact, many days he'd have 5 or 6 servings of any of these foods. He also complained of an extraordinary amount of bowel gas and cramping. "Sometimes, I'm afraid to go to a group function. I might embarass myself."

I suggested an experiment: For a 4 week period, completely eliminate wheat-containing products--breads, pretzels, breakfast cereals, pasta, etc. In their place, increase intake of protein foods like eggs, raw almonds and walnuts, low-fat yogurt, cottage cheese, chicken, fish, and use healthy oils (olive, canola, grapeseed, flaxseed) more liberally.

Just four weeks later, Jerry came to the office a new man: 8 lbs lighter, brighter, with bursts of energy he hadn't had in years. And no gas!

Lesson: Wheat-based carbohydrates can be the culprit behind many lipoprotein patterns, especially low HDL, high triglycerides, small LDL, and others. Wheat can also be responsible for a myriad of abdominal symptoms, even joint pains and rashes. In its most extreme form, it's called "celiac disease". But experiences like Jerry's are quite common--not as obvious and dramatic as full-blown celliac disease, but smouldering and destructive, nonetheless.

Track Your Plaque expert, Dr. Loren Cordain of Colorado State University, tells us that, in his reconstruction of the history of human illness, there was an extraodinary surge in disease just about the time when humans began cultivating wheat around 8000 B.C. (Track Your Plaque members: Read Dr. Cordain's fascinating interview at http://www.cureality.com/library/fl_04-005cordaininterview.asp.)

Do you need to eliminate wheat products entirely from your diet? It's something to think about, particularly if you share any of the difficulties that Jerry had.

*In general, I do not recommend heart scanning as a self-prescribed tool for chest pain or other symptoms. Symptoms should always be discussed with your doctor.